Terms and Conditions

National Supply would like to extend our appreciation for choosing to trust us. Our Terms and Conditions are here to provide you the information you need before and after you buy from us. You can be confident you will be taken care of regardless of any issue you may experience. If you have any questions or concerns regarding our terms and conditions, please contact a Customer Service agent M-F 6:30AM to 4:30PM PST at 877-316-3954.

Please take a moment to review the information below before you place your order.

Discounts & Promotions

11/21/22-11/28/22 Discounts & Promtions: Take $50 off your order of $1,500 or more with code: BFCM50. This offer may not be combined with other offers, limited time only. Receive a free SeeDevil 10 Watt Work Light with every generator purchase, and take $15 off available tune-up care kits with code: KIT15. These offers may not be combined with other offers, limited time only. Receive a free 3-year warranty with every generator purchase. This offer can be combined with other discounts, limited time only.


No returns will be accepted without contacting our customer service department for a Return Goods Authorization number. (RGA)

Unused, unopened products may be returned within 30 days of purchase for a full refund of the product purchase price minus shipping charges. Customers will need to return the item to our warehouse and packaged to ensure the item is delivered damage free and in resell-able condition. All purchases which include free shipping, the shipping charges will not be refunded. Refunds will only be processed once the product is received and inspected to ensure the item is damage free, and contains all factory shipped items.

Opened and operated power products cannot be returned. Federal regulations forbid shipping products which have been filled with fuel or oil. If you are experiencing performance issues with your power equipment, it must be taken to a local service center for warranty repair. Before you contact a local service center, please contact us for assistance. We will help you troubleshoot any issue you are having and help find you a solution. If you have questions on which power product to purchase, you may call us at 877-316-3954 M-F 6:30AM to 3:30PM excluding holidays.

Shipping Information

National Supply Shipping Map

Signatures are required on all power product deliveries. - You must be present to receive and sign.

Free shipping for orders greater than $1000.00 is provided for the contiguous United States only. Some rural continental USA locations may require additional shipping costs. We advertise free shipping however we reserve the right to charge for rural destination or special service locations. (For example, Martha's Vineyard). If you believe you may live in an area which will require additional fees for shipment, please contact us in advance to discuss at 877-316-3954.

Customers located within United States Territories must contact our Customer Service Department for order processing. Territories include Puerto Rico, US Virgin Islands, etc. International Customers must also contact our Customer Service Department for order processing. 1-877-316-3954 M to F 6:30AM - 4:30PM PST. For even faster service, please complete our online form - CLICK HERE

Power products shipped FedEx Overnight or 2 Day shipments will arrive the next business day, or 2 business days. (weekends are not available or guaranteed). Holidays will delay expedited shipments.  

Orders cannot be cancelled after shipment processing.

We do not allow will calls, freight dock pickups or shipping address changes. All deliveries must be made to the shipping address submitted at time of order. No exceptions will be made under any circumstances.

Signature is required at the time of delivery for all Power Product shipments. FedEx or our Freight carriers will not leave shipments unattended under any circumstances. You must be at the shipping address to receive and sign for your order. Any special arrangements made with the trucking company which violate our terms are at your own risk. Customers will be responsible for any return shipping charges due to missed appointments, or inability for freight carriers to obtain signatures. National Supply will not be responsible for shipping charges due to refused or missed shipments.

Residential Deliveries

You must be present to receive your shipment.

All power product residential deliveries shipped via LTL trucking (not FedEx) company will be scheduled in advance by a local dispatcher. Please ensure you provide the best contact phone number and correct email address to allow your delivery to be scheduled. All generator orders shipped via FedEx will require an adult signature at the submitted shipping address. We do not allow depot pickups, or shipments left without a signature. You will not be able to instruct FedEx to leave at their depot. You must be at the shipping address to receive your shipment. There are no exceptions to this policy.

National Supply will not be held responsible for return freight costs due to incorrect customer contact information. You must be at the shipping address during the scheduled appointment time to receive and sign for your shipment. Deliveries are only available Monday to Friday. Weekend appointments are not available. Missed appointments will result in a reschedule charge. Delayed shipment appointments may result in storage fees. National Supply will not be held responsible for rescheduling charges or storage fees due to failed delivery attempts and or missed appointments. A restock fee equal to the cost of round trip shipping charges will be assessed for all returned merchandise due to missed delivery appointments or refused shipments.

Natural disasters, severe weather, Holidays or other unexpected events may delay deliveries. National Supply will not be held responsible for shipment delays due to rural shipment destinations, inclement weather or unforeseen incidents by freight carriers. If you have a specific deadline, please contact our Customer Service Department prior to ordering. Estimated transit times represented on our website are subject to exceptions including rural destinations, inclement weather, recognized national holidays, etc.

Freight Damage

National Supply takes great care to ensure your power product purchase will arrive damage free. We custom pack all our shipments to reduce damage that may occur in transit. All of our FedEx shipments are foamed to protect the product inside the factory box, while all LTL shipments are strapped to a pallet, and wrapped to protect the contents while shipping.

Visible or suspected Freight Damage must be documented at time of delivery. Take time to inspect your shipment while the driver is with you. If damage is suspected, you must inform the carrier and list damage on the shipping manifest. Contact our customer service department immediately to process a damage report.

Hidden Freight Damages must be reported to our customer service department as soon as possible. We will work with you to field repair the product, or make arrangements to have the item shipped back to us at no cost to you.

Order Processing

Your order will not ship until all funds clear our merchant payment systems. National Supply will only ship product to a verifiable shipping address on file with your PayPal or credit card account. If the submitted shipping address is not verified by PayPal or credit card issuing bank, your order processing will be delayed. All shipping addresses that do not match the billing address will be held for verification. There are no exceptions to this policy. A National Supply Customer Service Agent will notify you of any identified issues.

All products ship direct from our Warehouse in Southern California. Orders received by 2:00PM PST for in stock Models will ship same day - Monday to Friday. No orders are processed on weekends or recognized holidays. Your order will not ship until all funds clear our payment systems.

Sales tax will be added for California residents.

The Yamaha Generator web staff is on-line M-F 6:30AM - 4:30pm PST for questions and solutions to problems.

Email: customerservice@yamahagenerators.com E-mail is answered within one business day.

Unauthorized Reselling of products notice

Yamaha Corporation of America sells products only through authorized dealers. Only dealers authorized by Yamaha have committed to provide excellent pre-sale and post-sale customer service and to uphold Yamaha standards. And authorized Yamaha dealers are the only retailers that can convey to you, the consumer, the Yamaha factory warranty. Purchasing from an authorized dealer is the only way you get Yamaha and a qualified dealer to support you in your use and enjoyment of your Yamaha® product. National Supply is an authorized reseller of Yamaha Generators and all terms and conditions set forth herein are recognized only between the end-user (customer) and National Supply. Unauthorized reselling of generators purchased from National Supply to third-party customers is a violation of our terms and thus voids all terms stated herein.